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Note that both admin_views and this module add a view that puts itself in admin/content, which causes this page to be inaccessible to the admin user. To resolve this, you need to disable (or alter) one of the views and flush your cache.

Not sure if this is a bug in either modules or even views, but this is something you should be aware of, i guess.

Commited a slightly different patch in dev.
@mrfelton: Your patch check if the views provided by the current module is present, I instead check if the admin_views_comment is there, and if so, I disable it, it works after clearing the cache.

Sorry to confirm finally that it still doesn't work. Even after flushing drupal and web browser cache.
Here is a screen capture after enabling Commerce_Backoffice that gives you more details about this issue.